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Inches Of Mercury to Pounds Per Square Inch

Convert inches of mercury (inHg) to pounds per square inch (psi). Type in either box; the other updates as you go.

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1 inHg = 0.49115415 psi

1 inch of mercury equals0.4911541475 psi
1 pound per square inch equals2.036020677 inHg
Formulapsi = inHg × 0.4911541475

How to convert inches of mercury to pounds per square inch

To convert inches of mercury to pounds per square inch, multiply the number of inches of mercury by 0.4911541475.

psi = inHg × 0.4911541475

Example

Convert 5 inches of mercury to pounds per square inch:

5 inHg × 0.4911541475 = 2.45577 psi

Inch Of Mercury to pound per square inch conversion chart

Inches Of Mercury (inHg)Pounds Per Square Inch (psi)
1 inHg0.4911541 psi
2 inHg0.9823083 psi
3 inHg1.473462 psi
4 inHg1.964617 psi
5 inHg2.455771 psi
6 inHg2.946925 psi
7 inHg3.438079 psi
8 inHg3.929233 psi
9 inHg4.420387 psi
10 inHg4.911541 psi
12 inHg5.89385 psi
15 inHg7.367312 psi
20 inHg9.823083 psi
25 inHg12.27885 psi
30 inHg14.73462 psi
40 inHg19.64617 psi
50 inHg24.55771 psi
60 inHg29.46925 psi
70 inHg34.38079 psi
75 inHg36.83656 psi
80 inHg39.29233 psi
90 inHg44.20387 psi
100 inHg49.11541 psi
150 inHg73.67312 psi
200 inHg98.23083 psi
250 inHg122.7885 psi
500 inHg245.5771 psi
1,000 inHg491.1541 psi

Going the other way? See the pounds per square inch to inches of mercury chart.

About the units

Inch Of Mercury (inHg)

An inch of mercury is about 3,386 pascals. US weather reports and aviation altimeters use inHg.

Pound Per Square Inch (psi)

Pounds per square inch is the US unit for tire pressure, air compressors and hydraulics. One psi is about 6,895 pascals.

Frequently asked questions

How many pounds per square inch are in an inch of mercury?

There are 0.4911541475 pounds per square inch in an inch of mercury.

How many inches of mercury are in a pound per square inch?

There are 2.036020677 inches of mercury in a pound per square inch.

How do you convert inches of mercury to pounds per square inch?

To convert inches of mercury to pounds per square inch, multiply the number of inches of mercury by 0.4911541475.

What is 5 inches of mercury in pounds per square inch?

5 inches of mercury equals 2.45577 pounds per square inch.

Convert between psi, bar, kilopascals, atmospheres and millimeters of mercury. Open the pressure converter to see a value in every unit at once.